42253339 has 4 divisors (see below), whose sum is σ = 42293160. Its totient is φ = 42213520.

The previous prime is 42253333. The next prime is 42253361. The reversal of 42253339 is 93335224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42253339 - 2¹¹ = 42251291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42253339.

It is not an unprimeable number, because it can be changed into a prime (42253333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18274 + ... + 20455.

It is an arithmetic number, because the mean of its divisors is an integer number (10573290).

Almost surely, 2^42253339 is an apocalyptic number.

42253339 is a deficient number, since it is larger than the sum of its proper divisors (39821).

42253339 is a wasteful number, since it uses less digits than its factorization.

42253339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39820.

The product of its digits is 19440, while the sum is 31.

The square root of 42253339 is about 6500.2568410794. The cubic root of 42253339 is about 348.3001632500.

The spelling of 42253339 in words is "forty-two million, two hundred fifty-three thousand, three hundred thirty-nine".